package com.yx.china.service;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;
import javax.annotation.Resource;
import org.springframework.cloud.stream.messaging.Source;

import java.util.UUID;

//定义消息的推送管道  Source--Channel---Binder
@EnableBinding(Source.class)
public class ProviderService {
    @Resource
    private MessageChannel output;

    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*****serial: " +serial);
        return null;
    }
}
